package com.chengqj.observer.listener.event;

/**
 * @program: pattern
 * @description: 观察者对象
 * @author: chengqj
 * @create: 2018-08-03 11:52
 **/
public class ConreateObserver implements Observer{
    @Override
    public void update() {
        System.out.println("ConreateObserver");
    }
}
